package ooday03;

public class InterfaceTest {
    public static void main(String[] args) {

    }
}
//接口
interface Interface1{
    void show();
}
interface Interface2 extends Inter1{
    void test();
    //void show();
    void show1();
    void show1(int a);
}
class InterDemo implements Interface1,Interface2{
    public void show(){

    }
    public void test(){

    }
    public void show1(){

    }
    public void show1(int a){

    }
}
abstract class InterDemo2{
    public abstract void show();
}
class InterDemo3 extends InterDemo2 implements Interface1{
    public void show(){

    }
}